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Goodwill and Intangible Assets (Tables) | 6 Months Ended
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Jun. 30, 2018
Goodwill And Intangible Assets Disclosure [Abstract] |
Goodwill / Tradename |
(Table only in thousands) |  | For the Six Months Ended June 30, 2018 |  |  | Year ended December 31, 2017 |
Goodwill / Tradename |  | Goodwill |  |  | Tradename |  |  | Goodwill |  |  | Tradename |
Beginning balance |  | $ | 166,951 |  |  | $ | 19,691 |  |  | $ | 170,153 |  |  | $ | 22,042 |
Divestitures |  |  | (14,317 | ) |  |  | (1,340 | ) |  |  | — |  |  |  | — |
Impairment |  |  | — |  |  |  | — |  |  |  | (4,443 | ) |  |  | (2,725 | )
Foreign currency translation |  |  | (263 | ) |  |  | (51 | ) |  |  | 1,241 |  |  |  | 374 |
|  | $ | 152,371 |  |  | $ | 18,300 |  |  | $ | 166,951 |  |  | $ | 19,691 |
Intangible Assets - Finite Life |
|  | As of June 30, 2018 |  |  | As of December 31, 2017 |
(Table only in thousands) Intangible assets – finite life |  | Cost |  |  | Accum. Amort. |  |  | Cost |  |  | Accum. Amort. |
Technology |  | $ | 14,457 |  |  | $ | 8,553 |  |  | $ | 15,867 |  |  | $ | 8,609 |
Customer lists |  |  | 72,978 |  |  |  | 36,328 |  |  |  | 77,497 |  |  |  | 35,024 |
Noncompetition agreements |  |  | 1,118 |  |  |  | 809 |  |  |  | 1,118 |  |  |  | 698 |
Tradename |  |  | 1,390 |  |  |  | 510 |  |  |  | 1,390 |  |  |  | 440 |
Foreign currency adjustments |  |  | (1,583 | ) |  |  | (284 | ) |  |  | (1,214 | ) |  |  | (69 | )
|  | $ | 88,360 |  |  | $ | 45,916 |  |  | $ | 94,658 |  |  | $ | 44,702 |
Summary of Finite Lived Intangible Assets Activities | Activity for the six months ended June 30, 2018 and 2017 is as follows:
(Table only in thousands) |  | 2018 |  |  | 2017 |
Intangible assets – finite life, net at beginning of period |  | $ | 49,956 |  |  | $ | 60,728 |
Amortization expense |  |  | (4,988 | ) |  |  | (5,772 | )
Divestitures |  |  | (2,372 | ) |  |  | — |
Foreign currency adjustments |  |  | (152 | ) |  |  | 493 |
Intangible assets – finite life, net at end of period |  | $ | 42,444 |  |  | $ | 55,449 |

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